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	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">// Copyright 2012 Google Inc. All Rights Reserved.</span><span class="WHIT">
<span class='line'>  2</span> </span><span class="COMM">//</span><span class="WHIT">
<span class='line'>  3</span> </span><span class="COMM">// Licensed under the Apache License, Version 2.0 (the "License");</span><span class="WHIT">
<span class='line'>  4</span> </span><span class="COMM">// you may not use this file except in compliance with the License.</span><span class="WHIT">
<span class='line'>  5</span> </span><span class="COMM">// You may obtain a copy of the License at</span><span class="WHIT">
<span class='line'>  6</span> </span><span class="COMM">//</span><span class="WHIT">
<span class='line'>  7</span> </span><span class="COMM">//      http://www.apache.org/licenses/LICENSE-2.0</span><span class="WHIT">
<span class='line'>  8</span> </span><span class="COMM">//</span><span class="WHIT">
<span class='line'>  9</span> </span><span class="COMM">// Unless required by applicable law or agreed to in writing, software</span><span class="WHIT">
<span class='line'> 10</span> </span><span class="COMM">// distributed under the License is distributed on an "AS-IS" BASIS,</span><span class="WHIT">
<span class='line'> 11</span> </span><span class="COMM">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span><span class="WHIT">
<span class='line'> 12</span> </span><span class="COMM">// See the License for the specific language governing permissions and</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="COMM">// limitations under the License.</span><span class="WHIT">
<span class='line'> 14</span> 
<span class='line'> 15</span> </span><span class="NAME">GridFocusableItem.prototype</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">FocusableItem</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 16</span> 
<span class='line'> 17</span> </span><span class="COMM">/**
<span class='line'> 18</span>  * This is a Focusable Grid Item. It handles the focusing and defocusing of
<span class='line'> 19</span>  * the video thumbnails.
<span class='line'> 20</span>  *
<span class='line'> 21</span>  * @constructor
<span class='line'> 22</span>  * @augments FocusableItem
<span class='line'> 23</span>  * @param {DOMElement} element The DOM element of the Focusable Item
<span class='line'> 24</span>  * @param {String} containerId Container ID of the Focusable item
<span class='line'> 25</span>  */</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="NAME">GridFocusableItem</span><span class="PUNC">(</span><span class="NAME">element</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">contId</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT">    </span><span class="NAME">FocusableItem.call</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">element</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 28</span> 
<span class='line'> 29</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">classStates</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 30</span> </span><span class="WHIT">        </span><span class="NAME">focused</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">"grid-item-active"</span><span class="WHIT">
<span class='line'> 31</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">itemClickCallback</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 33</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">containerId</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">contId</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 34</span> 
<span class='line'> 35</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 36</span>     * Set's a callback method for when the item is clicked
<span class='line'> 37</span>     * @param {function} callback
<span class='line'> 38</span>     */</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">    </span><span class="NAME">this.setOnItemClickCallback</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">callback</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">        </span><span class="NAME">itemClickCallback</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">callback</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 42</span> 
<span class='line'> 43</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 44</span>     * Get the item click callback
<span class='line'> 45</span>     */</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">    </span><span class="NAME">this.getOnItemClickCallback</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">itemClickCallback</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> 
<span class='line'> 50</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 51</span>     * This returns an object with class names associated to each state
<span class='line'> 52</span>     */</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">    </span><span class="NAME">this.getClassStates</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">classStates</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 56</span> 
<span class='line'> 57</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'> 58</span>     * This is the container ID of the focusable DOM element
<span class='line'> 59</span>     */</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">    </span><span class="NAME">this.getContainerId</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">containerId</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 63</span> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 64</span> 
<span class='line'> 65</span> </span><span class="COMM">/**
<span class='line'> 66</span> * Callback when the objects focus state changes
<span class='line'> 67</span> * @param {Boolean} isFocused
<span class='line'> 68</span> */</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="NAME">GridFocusableItem.prototype.onFocusStateChange</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">isFocused</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 70</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">element</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.getElement</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">isFocused</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">        </span><span class="NAME">element.addClass</span><span class="PUNC">(</span><span class="NAME">this.getClassStates</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">focused</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 73</span> 
<span class='line'> 74</span> </span><span class="WHIT">        </span><span class="COMM">// Scroll into view</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">itemRootParent</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">$</span><span class="PUNC">(</span><span class="STRN">"#"</span><span class="PUNC">+</span><span class="NAME">this.getContainerId</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">elementWrapper</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">element.parent</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 77</span> 
<span class='line'> 78</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">offsetAmount</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elementWrapper.position</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">top</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">        </span><span class="NAME">elementWrapper.outerHeight</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT">        </span><span class="NAME">itemRootParent.outerHeight</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 81</span> 
<span class='line'> 82</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">offsetAmount</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">            </span><span class="NAME">itemRootParent.stop</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">animate</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">                </span><span class="NAME">scrollTop</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">itemRootParent.scrollTop</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">offsetAmount</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">500</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 86</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">elementWrapper.position</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">top</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">            </span><span class="NAME">itemRootParent.stop</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">animate</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT">                </span><span class="NAME">scrollTop</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">itemRootParent.scrollTop</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">elementWrapper.position</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">top</span><span class="WHIT">
<span class='line'> 89</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">500</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 90</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT"> </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">        </span><span class="NAME">element.removeClass</span><span class="PUNC">(</span><span class="NAME">this.getClassStates</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">.</span><span class="NAME">focused</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 94</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 95</span> 
<span class='line'> 96</span> </span><span class="COMM">/**
<span class='line'> 97</span> * Callback when the object is clicked
<span class='line'> 98</span> */</span><span class="WHIT">
<span class='line'> 99</span> </span><span class="NAME">GridFocusableItem.prototype.onItemClick</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>100</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.getOnItemClickCallback</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT">        </span><span class="NAME">this.getOnItemClickCallback</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>102</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>103</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>104</span> </span></pre></body></html>